Kitakyushu, Japan

Fujimasa Koyama

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Steel Corporation. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fujimasa Koyama. Retrieved from https://idiyas.com/inventor/fujimasa-koyama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Fujimasa Koyama: Innovator in Metallic Material Rolling

Introduction

Fujimasa Koyama is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of metallurgy, particularly in the rolling of metallic materials. His innovative approach has led to advancements in manufacturing processes that enhance efficiency and product quality.

Latest Patents

Koyama holds a patent for a "Method and apparatus for rolling metallic material." This invention focuses on the rolling of metallic materials using a rolling mill equipped with working rolls for each surface of the workpiece. The method allows for a high reduction rate in the cross-sectional area of the workpiece, ensuring that the contact angle between the working roll and the workpiece is optimized for effective rolling operations. This technology enables the production of various shapes, including strips, bars, wire rods, and beam blanks, with a limited number of passes.

Career Highlights

Fujimasa Koyama is associated with Nippon Steel Corporation, a leading company in the steel industry. His work has contributed to the company's reputation for innovation and excellence in metal processing. Koyama's expertise in rolling technology has positioned him as a key figure in advancing manufacturing techniques within the industry.

Collaborations

Koyama has collaborated with notable colleagues, including Samon Yanagimoto and Minoru Kawaharada. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies in metallurgy.

Conclusion

Fujimasa Koyama's contributions to the field of metallic material rolling exemplify the impact of innovation in manufacturing processes. His patented methods and collaborative efforts continue to influence the industry, showcasing the importance of advancements in technology for improved production efficiency.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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